package servlet;

import com.alibaba.fastjson.JSON;
import utils.BaseDao;
import utils.BaseModel;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name="BatchDelMessageServlet", urlPatterns = {"/batchDelMessageServlet"})
public class BatchDelMessageServlet extends HttpServlet {

    BaseDao baseDao=new BaseDao();


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String ids=req.getParameter("ids");
        String sql="delete from t_message where message_id in("+ids+")";
        int result=baseDao.update(sql);
        BaseModel baseModel=new BaseModel();
        if (result>0){
            baseModel.setCode(1);
            baseModel.setMessage("删除"+result+"位成功");
        }else{
            baseModel.setCode(1);
            baseModel.setMessage("删除成功");
        }
        String baseModelStr= JSON.toJSONString(baseModel);
        resp.setCharacterEncoding("utf-8");
        resp.setContentType("application/json;charset=utf-8");
        resp.getWriter().write(baseModelStr);
        resp.getWriter().flush();
        resp.getWriter().close();

    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doPost(req, resp);
    }
}
